| 词汇 | bentonite |
| 释义 | BETA Examples of bentonitebentonite isn’t in the Cambridge Dictionary yet. You can help! We recorded five broad lithofacies, including sandstone, pebbly sandstone, siltstone, claystone and bentonite facies. Over this unit lies a 25 cm thick sandy bentonite bed in which small pure bentonite nodules occur. It has a sharp contact with the overlying claystone facies (sections 6, 8) or bentonite facies (sections 1, 2, 5, 9-12). Isotope events are isochronous within a framework provided by macrofossil datum levels and bentonite horizons. As such, the solid stem auger was used in instances where bentonite was encountered in neighbouring boreholes. This facies pinches out laterally and shows sharp contact with the bentonite facies (sections 5, 6) and tuffaceous mudstone facies (section 9). This facies is composed of pinkish and creamish bentonite units which are highly swelling in nature. The latter was divided into two palynological samples: (1) sample 49/1, 0-0.2 m below an overlying bentonite; (2) sample 49/2, 0.2-0.5 m below the bentonite. Airflow into the cyclone of the air rotary system was obstructed by bentonite, which was encountered in a number of boreholes. The total world production of bentonite is 15 million tonnes per annum. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It could be achieved only by laboratory conditions, and by hand-made bentonite slurry. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It may claim that bentonite makes the recycling of paper more efficient. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Microparticle retention using bentonite systems is giving way to newer, cheaper and more efficient technologies. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 I have received no application for an increased protective duty on manufactured bentonites. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The materials under consideration, which may be used singly or in combination, include cement mixes, crushed rock, bentonite clay, polymers, pulverised fly ash, asphalt and salt. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Bentonite is not separately distinguished in the trade returns, but the dollar cost of imports in 1955 is estimated to be of the order of £150,000. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Can we know what bentonite is? From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The liquid concrete being denser displaces the less-dense bentonite slurry and causes the latter to overflow from the trench. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For industrial purposes, two main classes of bentonite exist: sodium and calcium bentonite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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